2103-64-2 3',4',5',6'-Tetrahydroxyfluoran 3',4',5',6'-Tetrahydroxyspiro(isobenzofuran-1(3H),9'-(9H)xanthene)-3-one 4,5-Dihydroxyfluorescein 52413-17-9 AI3-63042 C.I. 45445 C.I. Mordant Violet 25 EINECS 218-272-6 Fluoran, 3',4',5',6'-tetrahydroxy- Fluorescein, 4',5'-dihydroxy- Gallein Gallein (8CI) NSC 56445 NSC 622478 NSC 8668 Pyrogallolphthalein Spiro(isobenzofuran-1(3),9'-(9H)xanthen)-3-one, 3',4',5',6'-tetrahydroxy- Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',4',5',6'-tetrahydroxy-